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package Helper;

import java.io.File;
import javax.swing.filechooser.FileFilter;
/**
 *
 * @author luc0
 */
public class ExtensionFileFilter extends FileFilter{
 String description;
        String extensions[];

        public ExtensionFileFilter(String description, String extension) {
            this(description, new String[]{extension});
        }

        public ExtensionFileFilter(String description, String extensions[]) {
            if (description == null) {
                this.description = extensions[0];
            } else {
                this.description = description;
            }
            this.extensions = (String[]) extensions.clone();
            toLower(this.extensions);
        }

        private void toLower(String array[]) {
            for (int i = 0, n = array.length; i < n; i++) {
                array[i] = array[i].toLowerCase();
            }
        }

        public String getDescription() {
            return description;
        }

        public boolean accept(File file) {
            if (file.isDirectory()) {
                return true;
            } else {
                String path = file.getAbsolutePath().toLowerCase();
                for (int i = 0, n = extensions.length; i < n; i++) {
                    String extension = extensions[i];
                    if ((path.endsWith(extension) && (path.charAt(path.length() - extension.length() - 1)) == '.')) {
                        return true;
                    }
                }
            }
            return false;
        }
}
